2491854 has 16 divisors (see below), whose sum is σ = 5155920. Its totient is φ = 801920.

The previous prime is 2491847. The next prime is 2491861. The reversal of 2491854 is 4581942.

It is an interprime number because it is at equal distance from previous prime (2491847) and next prime (2491861).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6987 + ... + 7334.

It is an arithmetic number, because the mean of its divisors is an integer number (322245).

2^2491854 is an apocalyptic number.

2491854 is an abundant number, since it is smaller than the sum of its proper divisors (2664066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2491854 is a wasteful number, since it uses less digits than its factorization.

2491854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14355.

The product of its digits is 11520, while the sum is 33.

The square root of 2491854 is about 1578.5607368739. The cubic root of 2491854 is about 135.5733094586.

The spelling of 2491854 in words is "two million, four hundred ninety-one thousand, eight hundred fifty-four".